### Steps to reproduce

See ACs from ###53771

### What is the buggy behavior?

* on work package list, it is possible to Begin of the insertionaddEnd of the insertion Begin of the deletion adEnd of the deletion work/remaining work/percentage complete for Begin of the insertionMilestones

* in the administration for work packages -> form configuration of a milestone type, it is possible to add "Remaining work", "Work" and "%Complete"End of the insertion Begin of the deletion Milestones End of the deletion


### What is the expected behavior?

* Milestones can't have work/remaining work/percentage complete


### Screenshots and other files Begin of the insertion

End of the insertion Begin of the deletion



End of the deletion <img class="op-uc-image op-uc-image_inline" src="/api/v3/attachments/100814/content">

### Environment information

**OpenProject version**

Core build

Begin of the insertion[b15d852ce9d7bda49f55d29342e2028c122f5ead](https://github.com/opf/openproject/commits/b15d852ce9d7bda49f55d29342e2028c122f5ead)End of the insertion Begin of the deletion [b15d852ce9d7bda49f55d29342e2028c122f5ead](https://github.com/opf/openproject/commits/b15d852ce9d7bda49f55d29342e2028c122f5ead) End of the deletion

Product version

Begin of the insertion[6052ac22e0f0c63b63ea8455a96813d7be1d54c2](https://github.com/opf/saas-openproject/commits/6052ac22e0f0c63b63ea8455a96813d7be1d54c2)End of the insertion Begin of the deletion [6052ac22e0f0c63b63ea8455a96813d7be1d54c2](https://github.com/opf/saas-openproject/commits/6052ac22e0f0c63b63ea8455a96813d7be1d54c2) End of the deletion

Core version

OpenProject 14.1.0

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